Jean-Louis Trintignant

Marcello Clerici

Stefania Sandrelli

Giulia

Gastone Moschin

Manganiello

Dominique Sanda

Anna Quadri

Enzo Tarascio

Professor Quadri

Fosco Giachetti

The Colonel

José Quaglio

Italo Montanari

Yvonne Sanson

Giulia's Mother

Milly

Marcello's Mother

Antonio Maestri

Confessor

Alessandro Haber

Drunk Blind Man

Luciano Rossi

Blind Blond

Massimo Sarchielli

Blind Man

Pierangelo Civera

Franz

Giuseppe Addobbati

Marcello's Father

Christian Aligny

Raoul

Carlo Gaddi

Hired Killer

Umberto Silvestri

Hired Killer

Furio Pellerani

Hired Killer

Luigi Antonio Guerra

Orso Maria Guerrini

Pasquale Fortunato

Young Marcello

Pierre Clémenti

Pasqualino 'Lino' Semirama

Sergio Graziani

Marcello Clerici (voice)

Rita Savagnone

Anna (voice)

Arturo Dominici

The Colonel (voice)

Giuseppe Rinaldi

Italo (voice)

Lydia Simoneschi

Giulia's Mother (voice)

Gianni Amico

Pupil Prof. Quadri (uncredited)

Joel Barcellos

Pupil Prof. Quadri (uncredited)

Christian Belaygue

Gipsy (uncredited)

Benedetto Benedetti

Minister (uncredited)

Claudio Cappeli

Hired Killer (uncredited)

Romano Costa

Man Opening the Door (uncredited)

Marilyn Goldin

Flower Seller (uncredited)

Marta Lado

Marcello's Daughter (uncredited)

Giorgio Pelloni

Pupil Prof. Quadri (uncredited)

Filippo Perego

Man in Elevator (uncredited)

Gino Vagniluca

Secretary (uncredited)